Operational torches with multi-mode brightness, strobe for signaling, and lengthy battery existence

https://www.scribd.com/document/992501605/Adapting-to-Darkness-How-Flashlights-Have-Evolved-to-Meet-the-Needs-of-Modern-Military-Operations-143111

Operational torches with multi-mode brightness, strobe for signaling, and lengthy battery existence, engineered for security groups, search missions, and emergency response situations.